Home / 9,424.16-14,139.96-5,040.32

Finding the Fourth Proportional to 9,424.16, 14,139.96 and 5,040.32

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Solution

The fourth proportional to 9,424.16, 14,139.96 and 5,040.32 is: 7,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,424.16 : 14,139.96 = 5,040.32 : x
  2. Step 2: Convert to fraction form
    9,424.16/14,139.96 = 5,040.32/x
  3. Step 3: Cross multiply
    9,424.16x = 14,139.96 × 5,040.32
  4. Step 4: Simplify right side
    9,424.16x = 71,269,923.19
  5. Step 5: Solve for x
    x = 71,269,923.19/9,424.16
  6. Step 6: Final answer
    x = 7,562.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.